MPLX
MPLX LPData as of 2026 Q2 (06-30) · 13F snapshot
Summary
MPLX LP (MPLX) is held as common stock by 2 tracked hedge-fund managers, with a combined reported value of ~$40.08M; the largest are David Tepper, Ken Griffin. 1 tracked manager also disclosed PUT or CALL positions, reported separately below. This quarter: 1 added. 20 public STOCK Act / OGE trade disclosures are on record. Data as of 2026 Q2, from public SEC 13F filings, delayed up to ~45 days.
Attention · LowThis quarter · Quiet
Common-stock holders21 also report options
Congress trades20
Price$57.66vs quarter-end+2.36%
Sectors0
This quarter's moves
Top holderNew0
Added1
Trimmed / sold0
David TepperCommon-stock positions
PUT and CALL disclosures are excluded from these holder counts and values.
David TepperHold
Value $28.30M0.4% of portfolio502,4602026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| David Tepper | $28.30M | 0.4% | Hold |
PUT / CALL disclosures
Reported separately: 13F option values are not common-stock ownership and do not reveal the full strategy or economic exposure.
Value $31.04M— of portfolio551,1002026 Q2
Value $5.04M— of portfolio89,4002026 Q2
| Investor | Value | % of portfolio | Action |
|---|---|---|---|
| Ken GriffinCALL | $31.04M | — | — |
| Ken GriffinPUT | $5.04M | — | — |
Public SEC 13F filings may appear up to 45 days after quarter-end; STOCK Act / OGE trade filings are generally due within 45 days but may be late. Partial data only — research, not investment advice.